Otto Bock 17CF1 Instructions For Use Manual page 20

20 | Ottobock
Mark the bore holes on the calf piece. A ruler
can be used to mark the middle.
NOTICE
Damage due to wrong positioning of bore-
holes. The boreholes in the carbon spring
must be positioned centrally, otherwise there
may be premature wear and possible break-
12
age at the boreholes.
Mark the bore holes on the foot part. Please do
not make proximal bore holes at the highest point
of the heel, since this is the flexion area of the
carbon fiber spring.
13
Use a 4 mm drill for M4 to make the hole in the
polypropylene. Use a 5 mm drill for M5.
14
Hold carbon fiber spring below polypropylene
and mark the places for the bore holes on it.
15
17CF1